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|
/******************************************************************************
* $Id: gdalbridge.cpp,v 1.15 2003/07/17 03:33:15 sperkins Exp $
*
* Project: GDAL Bridge
* Purpose: Implementation of GDALBridgeInitialize()
* Author: Frank Warmerdam, warmerda@home.com
*
* Adapted from cplgetsymbol.cpp.
*
******************************************************************************
* Copyright (c) 1999, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************
*
* $Log: gdalbridge.cpp,v $
* Revision 1.15 2003/07/17 03:33:15 sperkins
* added GDALFILLRaster()
*
* Revision 1.14 2001/11/18 00:48:24 warmerda
* substantial upgrade
*
* Revision 1.13 2001/09/06 14:03:21 warmerda
* upgrade bridge error reporting
*
* Revision 1.10 2000/09/26 15:20:32 warmerda
* added GDALGetRasterBand{X,Y}Size
*
* Revision 1.9 2000/09/01 19:12:09 warmerda
* fixed const mismatch
*
* Revision 1.8 2000/08/28 20:16:14 warmerda
* added lots of OGRSpatialReference stuff
*
* Revision 1.7 2000/08/25 20:03:40 warmerda
* added more entry points
*
* Revision 1.6 1999/09/17 03:18:08 warmerda
* change to search for a list of GDAL .so/.dll files
*
* Revision 1.5 1999/05/07 14:08:49 warmerda
* change .so name
*
* Revision 1.4 1999/04/22 13:35:11 warmerda
* Fixed copyright header.
*
*/
/* ==================================================================== */
/* We #define GDAL_ENTRY to nothing so that when the include */
/* file is include the real definition of the function pointer */
/* variables will occur in this files object file. */
/* ==================================================================== */
#define GDAL_ENTRY
#define GDAL_NULL = NULL
#include "gdalbridge.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#define PATH_SEP '\\'
static const char *papszSOFilenames[] = {
"gdal11.dll"
,"gdal.1.0.dll"
, NULL };
#else
#define PATH_SEP '/'
static const char *papszSOFilenames[] = {
"libgdal.1.1.so"
,"gdal.1.0.so"
,"gdal.so.1.0"
,"libgdal.so.1"
, NULL };
#endif
#define MAX_SYMBOL 1024
/************************************************************************/
/* GBGetSymbolCheck() */
/* */
/* Get a symbol, and on error add the missing entry point to a */
/* list of missing entry points. */
/************************************************************************/
static void *GBGetSymbolCheck( const char *pszLibrary,
const char *pszSymbolName,
char **papszErrorList )
{
void *pReturn;
pReturn = GBGetSymbol( pszLibrary, pszSymbolName );
if( pReturn == NULL && papszErrorList != NULL )
{
int i;
for( i = 0; papszErrorList[i] != NULL; i++ ) {}
if( i < MAX_SYMBOL-1 )
{
papszErrorList[i] = strdup( pszSymbolName );
papszErrorList[i+1] = NULL;
}
}
return pReturn;
}
/************************************************************************/
/* GDALBridgeInitialize() */
/************************************************************************/
int GDALBridgeInitialize( const char * pszTargetDir, FILE *fpReportFailure )
{
char szPath[2048];
void *pfnTest = NULL;
int iSOFile;
char *apszFailed[MAX_SYMBOL];
/* -------------------------------------------------------------------- */
/* Do we want to force reporting on? */
/* -------------------------------------------------------------------- */
if( fpReportFailure == NULL
&& (getenv("CPL_DEBUG") != NULL || getenv("GB_DEBUG") != NULL) )
{
fpReportFailure = stderr;
}
/* -------------------------------------------------------------------- */
/* The first phase is to try and find the shared library. */
/* -------------------------------------------------------------------- */
for( iSOFile = 0;
papszSOFilenames[iSOFile] != NULL && pfnTest == NULL;
iSOFile++ )
{
if( pszTargetDir != NULL )
{
sprintf( szPath, "%s%c%s",
pszTargetDir, PATH_SEP, papszSOFilenames[iSOFile] );
pfnTest = GBGetSymbol( szPath, "GDALOpen" );
}
if( pfnTest == NULL && getenv( "GDAL_HOME" ) != NULL )
{
sprintf( szPath,
"%s%c%s", getenv("GDAL_HOME"),
PATH_SEP, papszSOFilenames[iSOFile] );
pfnTest = GBGetSymbol( szPath, "GDALOpen" );
}
if( pfnTest == NULL )
{
sprintf( szPath, papszSOFilenames[iSOFile] );
pfnTest = GBGetSymbol( szPath, "GDALOpen" );
}
}
/* -------------------------------------------------------------------- */
/* Did we fail to even find the DLL/.so? */
/* -------------------------------------------------------------------- */
if( pfnTest == NULL )
{
if( fpReportFailure == NULL )
return FALSE;
fprintf( fpReportFailure,
"GBBridgeInitialize() failed to find an suitable GDAL .DLL/.so file.\n" );
fprintf( fpReportFailure,
"The following filenames were searched for:\n" );
for( iSOFile = 0; papszSOFilenames[iSOFile] != NULL; iSOFile++ )
fprintf( fpReportFailure, " o %s\n", papszSOFilenames[iSOFile] );
fprintf( fpReportFailure, "\n" );
fprintf( fpReportFailure, "The following locations were searched:\n" );
if( pszTargetDir != NULL )
fprintf( fpReportFailure, " o %s\n", pszTargetDir );
if( getenv( "GDAL_HOME" ) != NULL )
fprintf( fpReportFailure, " o %s\n", getenv( "GDAL_HOME" ) );
fprintf( fpReportFailure, " o System default locations.\n" );
fprintf( fpReportFailure, "\n" );
fprintf( fpReportFailure, "\n" );
#ifdef __unix__
if( getenv("LD_LIBRARY_PATH") != NULL )
{
fprintf( fpReportFailure,
"System default locations may be influenced by:\n" );
fprintf( fpReportFailure,
"LD_LIBRARY_PATH = %s\n", getenv("LD_LIBRARY_PATH") );
}
#else
if( getenv("PATH") != NULL )
{
fprintf( fpReportFailure,
"System default locations may be influenced by:\n" );
fprintf( fpReportFailure,
"PATH = %s\n", getenv("PATH") );
}
#endif
return FALSE;
}
/* -------------------------------------------------------------------- */
/* Start loading functions. */
/* -------------------------------------------------------------------- */
apszFailed[0] = NULL;
GDALGetDataTypeSize = (int (*)(GDALDataType))
GBGetSymbolCheck( szPath, "GDALGetDataTypeSize", apszFailed );
GDALAllRegister = (void (*)(void))
GBGetSymbolCheck( szPath, "GDALAllRegister", apszFailed );
GDALCreate = (GDALDatasetH (*)(GDALDriverH, const char *, int, int, int,
GDALDataType, char ** ))
GBGetSymbolCheck( szPath, "GDALCreate", apszFailed );
GDALOpen = (GDALDatasetH (*)(const char *, GDALAccess))
GBGetSymbolCheck( szPath, "GDALOpen", apszFailed );
GDALGetDriverByName = (GDALDriverH (*)(const char *))
GBGetSymbolCheck( szPath, "GDALGetDriverByName", apszFailed );
GDALGetDriverShortName = (const char *(*)(GDALDriverH))
GBGetSymbolCheck( szPath, "GDALGetDriverShortName", apszFailed );
GDALGetDriverLongName = (const char *(*)(GDALDriverH))
GBGetSymbolCheck( szPath, "GDALGetDriverLongName", apszFailed );
GDALGetDatasetDriver = (GDALDriverH (*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetDatasetDriver", apszFailed );
GDALClose = (void (*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALClose", apszFailed );
GDALGetRasterXSize = (int (*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetRasterXSize", apszFailed );
GDALGetRasterYSize = (int (*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetRasterYSize", apszFailed );
GDALGetRasterCount = (int (*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetRasterCount", apszFailed );
GDALGetRasterBand = (GDALRasterBandH (*)(GDALDatasetH, int))
GBGetSymbolCheck( szPath, "GDALGetRasterBand", apszFailed );
GDALGetProjectionRef = (const char *(*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetProjectionRef", apszFailed );
GDALSetProjection = (CPLErr (*)(GDALDatasetH, const char *))
GBGetSymbolCheck( szPath, "GDALSetProjection", apszFailed );
GDALGetGeoTransform = (CPLErr (*)(GDALDatasetH, double *))
GBGetSymbolCheck( szPath, "GDALGetGeoTransform", apszFailed );
GDALSetGeoTransform = (CPLErr (*)(GDALDatasetH, double *))
GBGetSymbolCheck( szPath, "GDALSetGeoTransform", apszFailed );
GDALGetInternalHandle = (void *(*)(GDALDatasetH, const char *))
GBGetSymbolCheck( szPath, "GDALGetInternalHandle", apszFailed );
GDALGetGCPCount = (int (*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetGCPCount", apszFailed );
GDALGetGCPProjection = (const char *(*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetGCPProjection", apszFailed );
GDALGetGCPs = (const GDAL_GCP *(*)(GDALDatasetH))
GBGetSymbolCheck( szPath, "GDALGetGCPs", apszFailed );
GDALGetRasterDataType = (GDALDataType (*)(GDALRasterBandH))
GBGetSymbolCheck( szPath, "GDALGetRasterDataType", apszFailed );
GDALGetRasterBandXSize = (int (*)(GDALRasterBandH))
GBGetSymbolCheck( szPath, "GDALGetRasterBandXSize", apszFailed );
GDALGetRasterBandYSize = (int (*)(GDALRasterBandH))
GBGetSymbolCheck( szPath, "GDALGetRasterBandYSize", apszFailed );
GDALGetBlockSize = (void (*)(GDALRasterBandH, int *, int *))
GBGetSymbolCheck( szPath, "GDALGetBlockSize", apszFailed );
GDALRasterIO = (CPLErr (*)(GDALRasterBandH, GDALRWFlag, int, int, int, int,
void *, int, int, GDALDataType, int, int ))
GBGetSymbolCheck( szPath, "GDALRasterIO", apszFailed );
GDALReadBlock = (CPLErr (*)(GDALRasterBandH, int, int, void *))
GBGetSymbolCheck( szPath, "GDALReadBlock", apszFailed );
GDALWriteBlock = (CPLErr (*)(GDALRasterBandH, int, int, void *))
GBGetSymbolCheck( szPath, "GDALWriteBlock", apszFailed );
GDALGetOverviewCount = (int (*)(GDALRasterBandH))
GBGetSymbolCheck( szPath, "GDALGetOverviewCount", apszFailed );
GDALGetOverview = (GDALRasterBandH (*)(GDALRasterBandH, int))
GBGetSymbolCheck( szPath, "GDALGetOverview", apszFailed );
GDALGetRasterNoDataValue = (double (*)(GDALRasterBandH, int*))
GBGetSymbolCheck( szPath, "GDALGetRasterNoDataValue", apszFailed );
GDALSetRasterNoDataValue = (CPLErr (*)(GDALRasterBandH, double))
GBGetSymbolCheck( szPath, "GDALSetRasterNoDataValue", apszFailed );
GDALFillRaster = (CPLErr (*)(GDALRasterBandH, double, double))
GBGetSymbolCheck( szPath, "GDALFillRaster", apszFailed );
GDALGetRasterMinimum = (double (*)(GDALRasterBandH, int *))
GBGetSymbolCheck( szPath, "GDALGetRasterMinimum", apszFailed );
GDALGetRasterMaximum = (double (*)(GDALRasterBandH, int *))
GBGetSymbolCheck( szPath, "GDALGetRasterMaximum", apszFailed );
GDALComputeRasterMinMax = (void (*)(GDALRasterBandH, int, double *))
GBGetSymbolCheck( szPath, "GDALComputeRasterMinMax", apszFailed );
GDALGetRasterColorInterpretation = (GDALColorInterp (*)(GDALRasterBandH))
GBGetSymbolCheck( szPath, "GDALGetRasterColorInterpretation", apszFailed );
GDALGetColorInterpretationName = (const char *(*)(GDALColorInterp))
GBGetSymbolCheck( szPath, "GDALGetColorInterpretationName", apszFailed );
GDALGetRasterColorTable = (GDALColorTableH (*)(GDALRasterBandH))
GBGetSymbolCheck( szPath, "GDALGetRasterColorTable", apszFailed );
GDALDecToDMS = (const char *(*)(double, const char *, int ))
GBGetSymbolCheck( szPath, "GDALDecToDMS", apszFailed );
GDALGetPaletteInterpretation = (GDALPaletteInterp (*)(GDALColorTableH))
GBGetSymbolCheck( szPath, "GDALGetPaletteInterpretation", apszFailed );
GDALGetPaletteInterpretationName = (const char *(*)(GDALPaletteInterp))
GBGetSymbolCheck( szPath, "GDALGetPaletteInterpretationName", apszFailed );
GDALGetColorEntryCount = (int (*)(GDALColorTableH))
GBGetSymbolCheck( szPath, "GDALGetColorEntryCount", apszFailed );
GDALGetColorEntry = (const GDALColorEntry *(*)(GDALColorTableH,int))
GBGetSymbolCheck( szPath, "GDALGetColorEntry", apszFailed );
GDALGetColorEntryAsRGB = (int (*)(GDALColorTableH,int,
GDALColorEntry*))
GBGetSymbolCheck( szPath, "GDALGetColorEntryAsRGB", apszFailed );
GDALSetColorEntry = (void (*)(GDALColorTableH, int, const GDALColorEntry*))
GBGetSymbolCheck( szPath, "GDALSetColorEntry", apszFailed );
/* -------------------------------------------------------------------- */
/* GDALMajorObject */
/* -------------------------------------------------------------------- */
GDALGetMetadata = (char **(*)(GDALMajorObjectH, const char *))
GBGetSymbolCheck( szPath, "GDALGetMetadata", apszFailed );
GDALSetMetadata = (CPLErr(*)(GDALMajorObjectH, char **, const char *))
GBGetSymbolCheck( szPath, "GDALSetMetadata", apszFailed );
GDALGetMetadataItem = (const char *(*)(GDALMajorObjectH, const char *,
const char *))
GBGetSymbolCheck( szPath, "GDALGetMetadataItem", apszFailed );
GDALSetMetadataItem = (CPLErr (*)(GDALMajorObjectH, const char *,
const char *, const char *))
GBGetSymbolCheck( szPath, "GDALSetMetadataItem", apszFailed );
/* -------------------------------------------------------------------- */
/* CPL */
/* -------------------------------------------------------------------- */
CPLErrorReset = (void (*)())
GBGetSymbolCheck( szPath, "CPLErrorReset", apszFailed );
CPLGetLastErrorNo = (int (*)())
GBGetSymbolCheck( szPath, "CPLGetLastErrorNo", apszFailed );
CPLGetLastErrorType = (CPLErr (*)())
GBGetSymbolCheck( szPath, "CPLGetLastErrorType", apszFailed );
CPLGetLastErrorMsg = (const char *(*)())
GBGetSymbolCheck( szPath, "CPLGetLastErrorMsg", apszFailed );
CPLPushErrorHandler = (void (*)(CPLErrorHandler))
GBGetSymbolCheck( szPath, "CPLPushErrorHandler", apszFailed );
CPLPopErrorHandler = (void (*)())
GBGetSymbolCheck( szPath, "CPLPopErrorHandler", apszFailed );
/* -------------------------------------------------------------------- */
/* OSR API */
/* -------------------------------------------------------------------- */
OSRNewSpatialReference = (OGRSpatialReferenceH (*)( const char * ))
GBGetSymbolCheck( szPath, "OSRNewSpatialReference", apszFailed );
OSRCloneGeogCS = (OGRSpatialReferenceH (*)(OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRCloneGeogCS", apszFailed );
OSRDestroySpatialReference = (void (*)(OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRDestroySpatialReference", apszFailed );
OSRReference = (int (*)(OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRReference", apszFailed );
OSRDereference = (int (*)(OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRDereference", apszFailed );
OSRImportFromEPSG = (OGRErr (*)(OGRSpatialReferenceH,int))
GBGetSymbolCheck( szPath, "OSRImportFromEPSG", apszFailed );
OSRImportFromWkt = (OGRErr (*)(OGRSpatialReferenceH,char **))
GBGetSymbolCheck( szPath, "OSRImportFromWkt", apszFailed );
OSRImportFromProj4 = (OGRErr (*)(OGRSpatialReferenceH,const char *))
GBGetSymbolCheck( szPath, "OSRImportFromProj4", apszFailed );
OSRExportToWkt = (OGRErr (*)(OGRSpatialReferenceH, char **))
GBGetSymbolCheck( szPath, "OSRExportToWkt", apszFailed );
OSRExportToPrettyWkt = (OGRErr (*)(OGRSpatialReferenceH, char **, int))
GBGetSymbolCheck( szPath, "OSRExportToPrettyWkt", apszFailed );
OSRExportToProj4 = (OGRErr (*)(OGRSpatialReferenceH, char **))
GBGetSymbolCheck( szPath, "OSRExportToProj4", apszFailed );
OSRSetAttrValue = (OGRErr (*)(OGRSpatialReferenceH, const char *,
const char *))
GBGetSymbolCheck( szPath, "OSRSetAttrValue", apszFailed );
OSRGetAttrValue = (const char *(*)(OGRSpatialReferenceH, const char *,int))
GBGetSymbolCheck( szPath, "OSRGetAttrValue", apszFailed );
OSRSetLinearUnits = (OGRErr (*)(OGRSpatialReferenceH, const char *,double))
GBGetSymbolCheck( szPath, "OSRSetLinearUnits", apszFailed );
OSRGetLinearUnits = (double (*)(OGRSpatialReferenceH, char **))
GBGetSymbolCheck( szPath, "OSRGetLinearUnits", apszFailed );
OSRIsGeographic = (int (*)(OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRIsGeographic", apszFailed );
OSRIsProjected = (int (*)(OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRIsProjected", apszFailed );
OSRIsSameGeogCS = (int (*)(OGRSpatialReferenceH,OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRIsSameGeogCS", apszFailed );
OSRIsSame = (int (*)(OGRSpatialReferenceH,OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OSRIsSame", apszFailed );
OSRSetProjCS = (OGRErr (*)(OGRSpatialReferenceH,const char*))
GBGetSymbolCheck( szPath, "OSRSetProjCS", apszFailed );
OSRSetWellKnownGeogCS = (OGRErr (*)(OGRSpatialReferenceH, const char *))
GBGetSymbolCheck( szPath, "OSRSetWellKnownGeogCS", apszFailed );
OSRSetGeogCS = (OGRErr (*)( OGRSpatialReferenceH hSRS,
const char * pszGeogName,
const char * pszDatumName,
const char * pszEllipsoidName,
double dfSemiMajor, double dfInvFlattening,
const char * pszPMName /* = NULL */,
double dfPMOffset /* = 0.0 */,
const char * pszUnits /* = NULL */,
double dfConvertToRadians /* = 0.0 */ ))
GBGetSymbolCheck( szPath, "OSRSetGeogCS", apszFailed );
OSRGetSemiMajor = (double (*)(OGRSpatialReferenceH, OGRErr *))
GBGetSymbolCheck( szPath, "OSRGetSemiMajor", apszFailed );
OSRGetSemiMinor = (double (*)(OGRSpatialReferenceH, OGRErr *))
GBGetSymbolCheck( szPath, "OSRGetSemiMinor", apszFailed );
OSRGetInvFlattening = (double (*)(OGRSpatialReferenceH, OGRErr *))
GBGetSymbolCheck( szPath, "OSRGetInvFlattening", apszFailed );
OSRSetAuthority = (OGRErr (*)(OGRSpatialReferenceH, const char *,
const char *, int))
GBGetSymbolCheck( szPath, "OSRSetAuthority", apszFailed );
OSRSetProjParm = (OGRErr (*)(OGRSpatialReferenceH, const char *, double))
GBGetSymbolCheck( szPath, "OSRSetProjParm", apszFailed );
OSRGetProjParm = (double (*)(OGRSpatialReferenceH, const char *,
double, OGRErr *))
GBGetSymbolCheck( szPath, "OSRGetProjParm", apszFailed );
OSRSetUTM = (OGRErr (*)(OGRSpatialReferenceH, int, int))
GBGetSymbolCheck( szPath, "OSRSetUTM", apszFailed );
OSRGetUTMZone = (int (*)(OGRSpatialReferenceH, int *))
GBGetSymbolCheck( szPath, "OSRGetUTMZone", apszFailed );
OCTNewCoordinateTransformation = (OGRCoordinateTransformationH
(*)(OGRSpatialReferenceH, OGRSpatialReferenceH))
GBGetSymbolCheck( szPath, "OCTNewCoordinateTransformation",apszFailed);
OCTDestroyCoordinateTransformation =
(void (*)(OGRCoordinateTransformationH))
GBGetSymbolCheck( szPath, "OCTDestroyCoordinateTransformation",
apszFailed );
OCTTransform = (int (*)(OGRCoordinateTransformationH, int,
double *, double *, double *))
GBGetSymbolCheck( szPath, "OCTTransform", apszFailed );
/* -------------------------------------------------------------------- */
/* Did we fail to find any entry points? */
/* -------------------------------------------------------------------- */
if( apszFailed[0] != NULL && fpReportFailure != NULL )
{
int iError;
fprintf( fpReportFailure,
"While a GDAL .DLL/.so was found at `%s'\n"
"it appears to be missing the following entry points.\n"
"Consider upgrading to a more recent GDAL library.\n",
szPath );
for( iError = 0; apszFailed[iError] != NULL; iError++ )
{
fprintf( fpReportFailure, " o %s\n", apszFailed[iError] );
free( apszFailed[iError] );
}
}
return apszFailed[0] == NULL;
}
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